[net/dns] Removes locking from DnsConfigServiceWin and adds local computer name.

net/dns/dns_hosts_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/dns/dns_hosts.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 namespace {
 
 TEST(DnsHostsTest, ParseHosts) {
   std::string contents =
       "127.0.0.1       localhost\tlocalhost.localdomain # standard\n"
       "\n"
       "1.0.0.1 localhost # ignored, first hit above\n"
       "fe00::x example company # ignored, malformed IPv6\n"
       "1.0.0.300 company # ignored, malformed IPv4\n"
       "1.0.0.1 # ignored, missing hostname\n"
-      "1.0.0.1\t company   \n"
+      "1.0.0.1\t CoMpANy # normalized to 'company' \n"
       "::1\tlocalhost ip6-localhost ip6-loopback # comment # within a comment\n"
       "\t fe00::0 ip6-localnet\r\n"
       "2048::2 example\n"
       "2048::1 company example # ignored for 'example' \n"
       "gibberish";
 
   const struct {
     const char* host;
     AddressFamily family;
     const char* ip;
@@ skipping 20 matching lines @@
 
   DnsHosts hosts;
   ParseHosts(contents, &hosts);
   ASSERT_EQ(expected, hosts);
 }
 
 }  // namespace
 
 }  // namespace net